Security Management
339
Managed Switches
A screen similar to the following displays.
3. Configure the ARP ACL used for VLAN 1.
a. Select Security > Control > Dynamic ARP Inspection > DAI VLAN Configuration.
b. In the ARP ACL Name field, enter ArpFilter.
c. Click Apply.
A screen similar to the following displays.
DHCP Snooping
DHCP snooping is a security feature that monitors DHCP messages between a DHCP client
and DHCP server to filter harmful DHCP message and to build a bindings database of (MAC
address, IP address, VLAN ID, port) tuples that are considered authorized. The network
administrator enables DHCP snooping globally and on specific VLANs and configures ports
within the VLAN to be trusted or untrusted. DHCP servers must be reached through trusted
ports.
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